High-magnification online real-time imaging device for laser processing
阅读说明:本技术 一种用于激光加工的高放大倍率在线实时成像装置 (High-magnification online real-time imaging device for laser processing ) 是由 张伟 张晓兵 李元成 蔡敏 纪亮 焦佳能 于 2020-07-10 设计创作,主要内容包括:本发明涉及一种用于激光加工的高放大倍率在线实时成像装置,包括:用于控制激光的激光控制模块及成像模块;激光控制模块包括间隔设置的第一调整架和第二调整架及设置在第一调整架和第二调整架之间的第三调整架,第一调整架上可拆卸的设有用于激光聚焦的长焦聚焦镜,第二调整架上可拆卸的设有用于激光聚焦的短焦聚焦镜,第三调整架上设有双色镜;成像模块包括光源及半透半反镜;第一成像镜和第二成像镜,第一成像镜和第二成像镜间隔设置;图像传感器。本发明能够同时实现高放大倍率和实时成像,提高激光加工过程中在线监测的质量,提高激光加工的准确性和质量。(The invention relates to a high-magnification online real-time imaging device for laser processing, which comprises: the laser control module and the imaging module are used for controlling laser; the laser control module comprises a first adjusting frame, a second adjusting frame and a third adjusting frame, wherein the first adjusting frame and the second adjusting frame are arranged at intervals, the third adjusting frame is arranged between the first adjusting frame and the second adjusting frame, the first adjusting frame is detachably provided with a long-focus focusing lens for focusing laser, the second adjusting frame is detachably provided with a short-focus focusing lens for focusing laser, and the third adjusting frame is provided with a dichroic mirror; the imaging module comprises a light source and a semi-transparent semi-reflecting mirror; the imaging device comprises a first imaging mirror and a second imaging mirror, wherein the first imaging mirror and the second imaging mirror are arranged at intervals; an image sensor. The invention can realize high magnification and real-time imaging simultaneously, improve the quality of on-line monitoring in the laser processing process and improve the accuracy and quality of laser processing.)
1. A high magnification online real-time imaging device for laser processing, comprising: the laser control module and the imaging module are used for controlling laser;
the laser control module comprises a first adjusting frame, a second adjusting frame and a third adjusting frame, wherein the first adjusting frame and the second adjusting frame are arranged at intervals, the third adjusting frame is arranged between the first adjusting frame and the second adjusting frame, a long-focus focusing lens for laser focusing is detachably arranged on the first adjusting frame, a short-focus focusing lens for laser focusing is detachably arranged on the second adjusting frame, and a dichroic mirror for reflecting light is arranged on the third adjusting frame;
the imaging module comprises a light source for generating illumination light and a semi-transparent and semi-reflective mirror for reflecting and transmitting the light, and the illumination light is reflected by the semi-transparent and semi-reflective mirror to generate reflection light for observing the processing process;
the device comprises a first imaging mirror and a second imaging mirror, wherein the first imaging mirror and the second imaging mirror are arranged at intervals, the direction of the first imaging mirror is vertical to the direction of reflected light, and the direction of the second imaging mirror is vertical to or parallel to the direction of the reflected light;
and the image sensor is used for realizing acquisition, storage, transmission, processing and reproduction of images in the machining process.
2. The high-magnification online real-time imaging device for laser processing as claimed in claim 1, further comprising a first translation mechanism for adjusting positions of the first imaging mirror and the image sensor in the direction of the reflected light, both the first imaging mirror and the image sensor being connected to the first translation mechanism.
3. The on-line real-time imaging device with high magnification for laser processing as claimed in claim 1, further comprising a rotation mechanism for adjusting an angle of the second imaging mirror, wherein the second imaging mirror is connected to the rotation mechanism.
4. The on-line real-time imaging device with high magnification for laser processing as claimed in claim 3, further comprising a second translation mechanism for adjusting the position of the second imaging lens in the direction of the reflected light, wherein the second translation mechanism is fixedly connected to the rotation mechanism.
5. The on-line real-time imaging device with high magnification for laser processing as claimed in claim 4, wherein the rotation angle of the rotation mechanism is 0 ° to 90 °.
6. The high-magnification online real-time imaging device for laser processing as claimed in any one of claims 1 to 5, wherein the first and second adjusting frames are five-dimensional adjusting frames, and the third adjusting frame is a two-dimensional adjusting frame.
7. The high-magnification online real-time imaging device for laser processing as claimed in any one of claims 1 to 5, wherein the first and second adjusting frames are oriented perpendicular to the direction of propagation of the laser beam.
8. The high-magnification online real-time imaging device for laser processing as claimed in any one of claims 1 to 5, wherein the angle between the dichroic mirror and the reflected light and the laser beam is 75 °.
9. The on-line real-time imaging device with high magnification for laser processing according to any one of claims 1 to 5, wherein the focal length of the long focus focusing lens is greater than 50mm, and the focal length of the short focus focusing lens is less than or equal to 50 mm.
10. The on-line real-time imaging device with high magnification for laser processing according to any one of claims 1 to 5, wherein the half mirror has a transmittance and a reflectance of 50% for the reflected light.
Technical Field
The invention relates to the technical field of laser processing equipment, in particular to a high-magnification online real-time imaging device for laser processing.
Background
Laser processing is an advanced manufacturing technology and is widely applied to the fields of automobiles, electronics, electrical appliances, aviation, metallurgy, mechanical manufacturing and the like, a laser processing online real-time imaging device is one of important components of a laser processing system, and the online real-time imaging magnification and imaging quality directly determine the technical level of online monitoring or online detection in the laser processing process.
Disclosure of Invention
The embodiment of the invention provides a high-magnification online real-time imaging device for laser processing, which can realize high magnification and real-time imaging simultaneously in the laser processing process, improve the quality of online monitoring in the laser processing process and improve the accuracy and quality of laser processing.
The embodiment of the invention provides a high-magnification online real-time imaging device for laser processing, which is characterized by comprising the following components: the laser control module and the imaging module are used for controlling laser;
the laser control module comprises a first adjusting frame, a second adjusting frame and a third adjusting frame, wherein the first adjusting frame and the second adjusting frame are arranged at intervals, the third adjusting frame is arranged between the first adjusting frame and the second adjusting frame, a long-focus focusing lens for laser focusing is detachably arranged on the first adjusting frame, a short-focus focusing lens for laser focusing is detachably arranged on the second adjusting frame, and a dichroic mirror for reflecting light is arranged on the third adjusting frame;
the imaging module comprises a light source for generating illumination light and a semi-transparent and semi-reflective mirror for reflecting and transmitting the light, and the illumination light is reflected by the semi-transparent and semi-reflective mirror to generate reflection light for observing the processing process;
the device comprises a first imaging mirror and a second imaging mirror, wherein the first imaging mirror and the second imaging mirror are arranged at intervals, the direction of the first imaging mirror is vertical to the direction of reflected light, and the direction of the second imaging mirror is vertical to or parallel to the direction of the reflected light;
and the image sensor is used for realizing acquisition, storage, transmission, processing and reproduction of images in the machining process. .
Preferably, the imaging device further comprises a first translation mechanism, the first translation mechanism is used for adjusting the positions of the first imaging mirror and the image sensor in the direction of the reflected light, and both the first imaging mirror and the image sensor are connected with the first translation mechanism.
Preferably, the imaging apparatus further comprises a rotation mechanism for adjusting an angle of a second imaging mirror, the second imaging mirror being connected to the rotation mechanism.
Preferably, the imaging device further comprises a second translation mechanism, the second translation mechanism is used for adjusting the position of the second imaging mirror in the direction along the reflected light, and the second translation mechanism is fixedly connected with the rotation mechanism.
Preferably, the rotation angle of the rotation mechanism is 0 ° to 90 °.
Preferably, the first adjusting frame and the second adjusting frame are both five-dimensional adjusting frames, and the third adjusting frame is a two-dimensional adjusting frame.
Preferably, the first adjusting frame and the second adjusting frame are both perpendicular to the transmission direction of the laser beam.
Preferably, the dichroic mirror and the reflected light and the laser beam are all at an angle of 75 °.
Preferably, the focal length of the long-focus focusing lens is greater than 50mm, and the focal length of the short-focus focusing lens is less than or equal to 50 mm.
Preferably, the half mirror has 50% transmittance and reflectance of reflected light.
In conclusion, the invention can realize high magnification and real-time imaging simultaneously in the laser processing process by arranging the independent laser control module and the imaging module, thereby improving the quality of on-line monitoring in the laser processing process and the accuracy and quality of laser processing; the long-focus focusing lens and the short-focus focusing lens are detachably connected, so that focusing lenses with different specifications can be flexibly replaced, and the applicability of the device is improved; the first translation mechanism and the second translation mechanism are arranged, so that the position of the imaging mirror can be conveniently adjusted, and the real-time imaging requirements of different magnification ratios can be met; through setting up rotary mechanism, can adjust the angle of second formation of image mirror, be convenient for switch different formation of image modes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high-magnification online real-time imaging device for laser processing according to the present invention;
FIG. 2 is a schematic structural diagram of a high magnification on-line real-time imaging device for laser processing according to the present invention when operating with a long focus focusing lens;
FIG. 3 is a schematic structural diagram of a high-magnification online real-time imaging device for laser processing according to the present invention when a short-focus focusing lens is used.
In the figure:
1. the device comprises an image sensor, 2, a first imaging mirror, 3, a second imaging mirror, 4, a half-transmitting half-reflecting mirror, 5, illumination light, 6, a light source, 7, a laser beam, 8, a long-focus focusing mirror, 9, a first adjusting frame, 10, a third adjusting frame, 11, a second adjusting frame, 12, a short-focus focusing mirror, 13, an object to be processed, 14, a dichroic mirror, 15, reflected light, 16, a second translation mechanism, 17, a rotation mechanism, 18 and a first translation mechanism.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, a high-magnification online real-time imaging device for laser processing according to an embodiment of the present invention includes: the laser control module is used for controlling laser and the imaging module.
The laser control module comprises a first adjusting
Preferably, the angle between the
The imaging module comprises a
The imaging device comprises a
And an
Preferably, the
According to the invention, by arranging the independent laser control module and the imaging module, high magnification and real-time imaging can be simultaneously realized in the laser processing process, the quality of on-line monitoring in the laser processing process is improved, and the accuracy and the quality of laser processing are improved; the long-
Preferably, the imaging device further includes a
Preferably, the imaging device further comprises a
Preferably, the imaging apparatus further includes a
Preferably, the first adjusting
Preferably, the first adjusting
Preferably, the focal length of the long-
The operation of a high-magnification online real-time imaging apparatus for laser processing according to an embodiment of the present invention will be described with reference to fig. 1 to 3.
The invention can be divided into a long-
The operation of an embodiment of the invention in operation with a
When the long-
The operation of an embodiment of the present invention in operation with a short
When the short-
Some embodiments of the invention provide a high magnification on-line real-time imaging device for laser processing.
As shown in fig. 2, the present embodiment provides an on-line real-time imaging apparatus which uses a
A long-focus focusing lens 8(f is 150mm) is mounted on a first adjusting
the
the imaging clear point is coincided with the laser focusing focus by adjusting the
the position of the optical image in the CCD is adjusted by adjusting the third adjusting
As shown in FIG. 3, the present embodiment provides an imaging device for realizing high magnification of laser processing when working with a
Mounting a short-focus focusing lens (f is 30mm) on a
the
real-time imaging with high magnification is realized by adjusting the
the position of the optical image in the CCD is adjusted by adjusting the
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. For embodiments of the method, reference is made to the description of the apparatus embodiments in part. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The above description is only an example of the present application and is not limited to the present application. Various modifications and alterations to this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
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